<script type="text/javascript"> dojo.require("dojox.form.TimeSpinner"); </script>
<input class='field length' id='{{field.id}}[display]' name='{{field.name}}[display]' value='{{field.value|date:'H:i'}}' dojoType="dojox.form.TimeSpinner">
<input class='field timestamp' style="display: none;" id='{{field.id}}[format]' name='{{field.name}}[format]' value='Y-m-d?H:i:sP'>